Polak is an American business executive and philanthropist from Beverly Hills, California. He was the Founder and Chairman of NWQ Investment Management, an investment firm with US$30 billion under management. He is a large donor to the Technion – Israel Institute of Technology in Israel.
David Polak graduated from the Massachusetts Institute of Technology. He received a master's degree from the Rensselaer Polytechnic Institute and an MBA from the Anderson Graduate School of Management at the University of California, Los Angeles (UCLA).